What’s Vulnerable › Vulnerabilities

CVE-2021-3663: Improper Restriction of Excessive Authentication Attempts in firefly-iii/firefly-iii

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-07-25 · updated 2026-06-17
• Weakness: CWE-307

Description

firefly-iii is vulnerable to Improper Restriction of Excessive Authentication Attempts

Affected products

• firefly-iii/firefly-iii: through 5.5.12

References

• https://github.com/firefly-iii/firefly-iii/commit/afc9f4b7ebc8a240c85864a6e1abda62bfeefae8
• https://huntr.dev/bounties/497bdf6d-7dba-49c3-8011-1c64dfbb3380
• https://github.com/firefly-iii/firefly-iii/commit/afc9f4b7ebc8a240c85864a6e1abda62bfeefae8
• https://huntr.dev/bounties/497bdf6d-7dba-49c3-8011-1c64dfbb3380

Get alerted when CVE-2021-3663 or the next vulnerability affects your stack